java.security.Provider.keySet()方法的使用及代码示例

x33g5p2x  于2022-01-26 转载在 其他  
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本文整理了Java中java.security.Provider.keySet()方法的一些代码示例，展示了Provider.keySet()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Provider.keySet()方法的具体详情如下：
包路径：java.security.Provider
类名称：Provider
方法名：keySet

Provider.keySet介绍

[英]Returns an unmodifiable Set view of the property keys contained in this provider.
[中]返回此提供程序中包含的属性键的不可修改的集合视图。

代码示例

代码示例来源：origin: wildfly/wildfly

private static <T> Iterator<T> getFactories(Class<T> type, ClassLoader classLoader, boolean includeGlobal) {
  Set<T> factories = new LinkedHashSet<>();
  final ServiceLoader<T> loader = ServiceLoader.load(type, classLoader);
  for (T factory : loader) {
    factories.add(factory);
  }
  if (includeGlobal) {
    Set<String> loadedClasses = new HashSet<>();
    final String filter = type.getSimpleName() + ".";
    Provider[] providers = Security.getProviders();
    for (Provider currentProvider : providers) {
      final ClassLoader cl = currentProvider.getClass().getClassLoader();
      currentProvider.keySet().stream().filter(currentKey -> currentKey instanceof String && ((String)currentKey).startsWith(filter)
       && ((String)currentKey).indexOf(' ') < 0).forEach(currentKey -> {
        String className=currentProvider.getProperty((String)currentKey);
        if(className != null && loadedClasses.add(className)) {
          try {
            factories.add(Class.forName(className, true, cl).asSubclass(type).newInstance());
          } catch(ClassNotFoundException | ClassCastException | InstantiationException | IllegalAccessException e) {
          }
        }
      });
    }
  }
  return factories.iterator();
}

代码示例来源：origin: wildfly/wildfly

for (Object currentKey : currentProvider.keySet()) {
  if (currentKey instanceof String &&
      ((String) currentKey).startsWith(filter) &&

代码示例来源：origin: stackoverflow.com

for (Provider p : Security.getProviders()) {
  for (Object o : p.keySet()) {
    System.out.println(o);
  }
}

代码示例来源：origin: stackoverflow.com

Provider[] providers = Security.getProviders();
for (Provider provider : providers) {
  for (Object entry : provider.keySet()) {
    String name = String.valueOf(entry);
    if (name.startsWith("Cipher")) {
      Log.d("Cipher", "Supports: " + name.substring(7));
    }
  }
}

代码示例来源：origin: stackoverflow.com

Provider[] providers = Security.getProviders();
 for (Provider provider : providers) {
   for (Object entry : provider.keySet()) {
     String name = String.valueOf(entry);
     if (name.startsWith("Cipher")) {
       Log.d("Cipher", "Supports: " + name.substring(7));
     }
   }
 }

代码示例来源：origin: com.puresoltechnologies.commons/misc

public static String[] getCryptoImpls() {
  Set<String> result = new HashSet<String>();
  for (Provider provider : Security.getProviders()) {
    for (Object providerKey : provider.keySet()) {
      String key = providerKey.toString();
      key = key.split(" ")[0];
      result.add(key);
    }
  }
  return result.toArray(new String[result.size()]);
}

代码示例来源：origin: com.puresoltechnologies.commons/os

public static String[] getCryptoImpls() {
Set<String> result = new HashSet<String>();
for (Provider provider : Security.getProviders()) {
  for (Object providerKey : provider.keySet()) {
  String key = providerKey.toString();
  key = key.split(" ")[0];
  result.add(key);
  }
}
return result.toArray(new String[result.size()]);
}

代码示例来源：origin: com.puresoltechnologies.commons/misc

public static String[] getServiceTypes() {
  Set<String> result = new HashSet<String>();
  for (Provider provider : Security.getProviders()) {
    for (Object providerKey : provider.keySet()) {
      String key = providerKey.toString();
      key = key.split(" ")[0];
      if (key.startsWith("Alg.Alias.")) {
        key = key.substring(10);
      }
      int ix = key.indexOf('.');
      result.add(key.substring(0, ix));
    }
  }
  return result.toArray(new String[result.size()]);
}

代码示例来源：origin: org.apache.wss4j/wss4j-ws-security-common

public Set<Object> keySet() {
  Provider p = getProvider();
  if (p != null) {
    return p.keySet();
  } else {
    return Collections.emptySet();
  }
}

代码示例来源：origin: com.puresoltechnologies.commons/os

public static String[] getServiceTypes() {
Set<String> result = new HashSet<String>();
for (Provider provider : Security.getProviders()) {
  for (Object providerKey : provider.keySet()) {
  String key = providerKey.toString();
  key = key.split(" ")[0];
  if (key.startsWith("Alg.Alias.")) {
    key = key.substring(10);
  }
  int ix = key.indexOf('.');
  result.add(key.substring(0, ix));
  }
}
return result.toArray(new String[result.size()]);
}

代码示例来源：origin: com.puresoltechnologies.commons/misc

public static String[] getCryptoImpls(String serviceType) {
  Set<String> result = new HashSet<String>();
  for (Provider provider : Security.getProviders()) {
    for (Object providerKey : provider.keySet()) {
      String key = providerKey.toString();
      key = key.split(" ")[0];
      if (key.startsWith(serviceType + ".")) {
        result.add(key.substring(serviceType.length() + 1));
      } else if (key.startsWith("Alg.Alias." + serviceType + ".")) {
        result.add(key.substring(serviceType.length() + 11));
      }
    }
  }
  return result.toArray(new String[result.size()]);
}

代码示例来源：origin: com.puresoltechnologies.commons/os

public static String[] getCryptoImpls(String serviceType) {
Set<String> result = new HashSet<String>();
for (Provider provider : Security.getProviders()) {
  for (Object providerKey : provider.keySet()) {
  String key = providerKey.toString();
  key = key.split(" ")[0];
  if (key.startsWith(serviceType + ".")) {
    result.add(key.substring(serviceType.length() + 1));
  } else if (key.startsWith("Alg.Alias." + serviceType + ".")) {
    result.add(key.substring(serviceType.length() + 11));
  }
  }
}
return result.toArray(new String[result.size()]);
}

代码示例来源：origin: stackoverflow.com

public static void main(final String[] args) {
   final Provider[] providers = Security.getProviders();
   for (int i = 0; i < providers.length; i++) {
     final String name = providers[i].getName();
     final double version = providers[i].getVersion();
     System.out.println("Provider[" + i + "]:: " + name + " " + version);
     if (args.length > 0) {
       final Iterator it = providers[i].keySet().iterator();
       while (it.hasNext()) {
         final String element = (String) it.next();
         if (element.toLowerCase().startsWith(args[0].toLowerCase())
             || args[0].equals("-all"))
           System.out.println("\t" + element);
       }
     }
   }
 }

代码示例来源：origin: facebook/nailgun

/**
 * Provides a list of algorithms for the specified service (which, for our purposes, is
 * "MessageDigest".
 *
 * <p>This method was only very slightly adapted (to use a TreeSet) from the Java Almanac at
 * http://javaalmanac.com/egs/java.security/ListServices.html
 *
 * @param serviceType The name of the service we're looking for. It's "MessageDigest"
 */
private static Set getCryptoImpls(String serviceType) {
 Set result = new TreeSet();
 // All all providers
 Provider[] providers = Security.getProviders();
 for (int i = 0; i < providers.length; i++) {
  // Get services provided by each provider
  Set keys = providers[i].keySet();
  for (Object okey : providers[i].keySet()) {
   String key = (String) okey;
   key = key.split(" ")[0];
   if (key.startsWith(serviceType + ".")) {
    result.add(key.substring(serviceType.length() + 1));
   } else if (key.startsWith("Alg.Alias." + serviceType + ".")) {
    // This is an alias
    result.add(key.substring(serviceType.length() + 11));
   }
  }
 }
 return result;
}

代码示例来源：origin: org.sonatype.nexus/nexus-ldap-common

/**
  * This method returns the available implementations for a service type
  */
 public static String[] getCryptoImpls(String serviceType) {
  Set<String> result = new HashSet<String>();

  // All all providers
  Provider[] providers = Security.getProviders();
  for (int i = 0; i < providers.length; i++) {
   // Get services provided by each provider
   Set<Object> keys = providers[i].keySet();
   for (Iterator<Object> it = keys.iterator(); it.hasNext(); ) {
    String key = (String) it.next();
    key = key.split(" ")[0];

    if (key.startsWith(serviceType + ".")) {
     result.add(key.substring(serviceType.length() + 1));
    }
    else if (key.startsWith("Alg.Alias." + serviceType + ".")) {
     // This is an alias
     result.add(key.substring(serviceType.length() + 11));
    }
   }
  }
  return result.toArray(new String[result.size()]);
 }
}

代码示例来源：origin: org.sonatype.nexus/nexus-ldap-common

/**
 * Exploratory part. This method returns all available services types
 */
public static String[] getServiceTypes() {
 Set<String> result = new HashSet<String>();
 // All all providers
 Provider[] providers = Security.getProviders();
 for (int i = 0; i < providers.length; i++) {
  // Get services provided by each provider
  Set<Object> keys = providers[i].keySet();
  for (Iterator<Object> it = keys.iterator(); it.hasNext(); ) {
   String key = (String) it.next();
   key = key.split(" ")[0];
   if (key.startsWith("Alg.Alias.")) {
    // Strip the alias
    key = key.substring(10);
   }
   int ix = key.indexOf('.');
   result.add(key.substring(0, ix));
  }
 }
 return result.toArray(new String[result.size()]);
}

代码示例来源：origin: org.sonatype.nexus.plugins.ldap/ldap-common

/**
 * Exploratory part. This method returns all available services types
 */
public static String[] getServiceTypes()
{
  Set<String> result = new HashSet<String>();
  // All all providers
  Provider[] providers = Security.getProviders();
  for ( int i = 0; i < providers.length; i++ )
  {
    // Get services provided by each provider
    Set<Object> keys = providers[i].keySet();
    for ( Iterator<Object> it = keys.iterator(); it.hasNext(); )
    {
      String key = (String) it.next();
      key = key.split( " " )[0];
      if ( key.startsWith( "Alg.Alias." ) )
      {
        // Strip the alias
        key = key.substring( 10 );
      }
      int ix = key.indexOf( '.' );
      result.add( key.substring( 0, ix ) );
    }
  }
  return result.toArray( new String[result.size()] );
}

代码示例来源：origin: org.jboss.eap/wildfly-client-all

private static <T> Iterator<T> getFactories(Class<T> type, ClassLoader classLoader, boolean includeGlobal) {
  Set<T> factories = new LinkedHashSet<>();
  final ServiceLoader<T> loader = ServiceLoader.load(type, classLoader);
  for (T factory : loader) {
    factories.add(factory);
  }
  if (includeGlobal) {
    Set<String> loadedClasses = new HashSet<>();
    final String filter = type.getSimpleName() + ".";
    Provider[] providers = Security.getProviders();
    for (Provider currentProvider : providers) {
      final ClassLoader cl = currentProvider.getClass().getClassLoader();
      currentProvider.keySet().stream().filter(currentKey -> currentKey instanceof String && ((String)currentKey).startsWith(filter)
       && ((String)currentKey).indexOf(' ') < 0).forEach(currentKey -> {
        String className=currentProvider.getProperty((String)currentKey);
        if(className != null && loadedClasses.add(className)) {
          try {
            factories.add(Class.forName(className, true, cl).asSubclass(type).newInstance());
          } catch(ClassNotFoundException | ClassCastException | InstantiationException | IllegalAccessException e) {
          }
        }
      });
    }
  }
  return factories.iterator();
}

代码示例来源：origin: org.infinispan/infinispan-commons

for (Provider currentProvider : providers) {
 final ClassLoader cl = currentProvider.getClass().getClassLoader();
 for (Object currentKey : currentProvider.keySet()) {
   if (currentKey instanceof String &&
      ((String) currentKey).startsWith(filter) &&

代码示例来源：origin: stackoverflow.com

import java.security.Provider;
import java.security.Security;
import java.util.Arrays;

public class ShowCryptoProviders
{
  private static final String EOL = System.getProperty("line.separator");

  public static void main(final String[] args)
  {
    final Provider[] providers = Security.getProviders();
    final Boolean verbose = Arrays.asList(args).contains("-v");
    for (final Provider p : providers)
    {
      System.out.format("%s %s%s", p.getName(), p.getVersion(), EOL);
      for (final Object o : p.keySet())
      {
        if (verbose)
        {
          System.out.format("\t%s : %s%s", o, p.getProperty((String)o), EOL);
        }
      }
    }
  }
}

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